<html>
    <body>
        <script type="text/javascript">
            var arr = new Array(3);
            arr[0] = "George";
            arr[1] = "John";
            arr[2] = "Thomas";
            var arr2 = new Array(3);
            arr2[0] = "James";
            arr2[1] = "Adrew";
            arr2[2] = "Martin";
            document.write(arr.concat(arr2));
        </script>
    </body>
</html>